Error using containers.Map in matlab 2015a

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Rupok Kumar 2018-5-15

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/400785-error-using-containers-map-in-matlab-2015a

评论： Guillaume 2018-5-15

I have got this error. Here i attached my code:

image = hdrread('Apartment_float_o15C.hdr');
[h,w,~] = size(image);
uint16_image = to_16_bit(image);
keys = unique(uint16_image);
[num_keys, ~] = size(keys); 
values = (0:1:num_keys-1).';
map = containers.Map(keys, values);
inverse_map = containers.Map(values, keys);
%uint16_image_mapped = image2MappedImage(uint16_image, map);
%uint16_image_reversed = image2MappedImage(uint16_image_mapped, inverse_map);
image_mapped = to_single(uint16_image_mapped);
figure
histo = histogram(uint16_image,'BinWidth',1)
figure
mapped_histo = histogram(uint16_image_mapped,'BinWidth',1)
figure
reversed_histo = histogram(uint16_image_reversed,'BinWidth',1)
figure
imshow( tonemap(image_mapped), []);
result = image2MappedImage(uint16_image, map);
result = to_16_bit(image);
result = to_single(image);
result = getBinCounts(histo);

The error is here:

Error in hdr_OpenEXR_format (line 12)
map = containers.Map(keys, values);

can anyone help me out of this? Thanks in advance

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Rupok Kumar 2018-5-15

编辑：Rupok Kumar 2018-5-15

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It works in R2018a but not working in my version which is R2015a. The error shoes that:

Error using containers.Map
NaN-valued key is not allowed for this container.
Error in hdr_OpenEXR_format (line 12)
map = containers.Map(keys, values);

What i need to change, could you help me please?